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Where to Buy B7-33: Vendor Comparison, Benefits & Side Effects

A biased agonist peptide researched for bone and tissue health.

Published December 17, 20255 vendors listed2 cited studies

What is B7-33?

B7-33 is a synthetic peptide analog of relaxin studied for its effects on fibrosis reduction and tissue remodeling.

Where to Buy B7-33 Online

5 vendors in our directory currently list B7-33. The comparison shows each vendor's third-party testing status, COA availability, editorial and community ratings, and any active coupon — ordered by our directory ranking.

Vendors carrying B7-33, ordered by directory rank and editorial rating
VendorTrust signalsEditorial ratingUser reviewsCouponVisit vendor
1
Core Peptides

Ships from USA

  • Tested
  • COA
4.8Rated 4.8 out of 5No user reviewsVisit site
2
Happy Peptides

Ships from USA

  • Tested
  • COA
4.7Rated 4.7 out of 5No user reviewsVisit site
3
Raw Amino

Ships from USA

  • Tested
  • COA
4.4Rated 4.4 out of 5No user reviewsVisit site
4
UK Peptides

Ships from UK

  • COA
4.3Rated 4.3 out of 5No user reviewsVisit site
5
PureRawz

Ships from USA

  • Tested
  • COA
Not yet ratedNo user reviewsVisit site

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Mechanism of Action

It selectively activates the RXFP1 receptor, triggering anti-fibrotic signaling without unwanted vasodilatory effects.

Clinical Research

Cited studies

  1. 1Relaxin-2 and its mimetic B7-33 reduce cardiac fibrosis and inflammation
  2. 2B7-33, a functionally selective relaxin receptor agonist, reduces fibrosis without hemodynamic side effects

Researched Benefits

Research on B7-33 has focused on the following areas:

  • Investigated for anti-fibrotic effects in heart, lung, kidney, and liver tissue
  • May support vasodilation and reduced blood pressure via relaxin receptor signaling
  • Studied for cardioprotection and improved cardiac function after ischemic injury

Side Effects & Safety

Adverse reactions and limitations documented for B7-33 include:

  • Hypotension risk
  • Limited human studies

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Bronchogen

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Cardiogen

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A peptide bioregulator studied for heart tissue support.

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Chonluten

  • Immune Support

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